SPMW09T308T-A27 WPP35G Wendeplatten - Walter Tools

Benefit from a combination of longer tool life, reliable chip control and optimised performance for steel machining — a practical solution for stable production results. Order the insert directly via Metav Werkzeuge or ask the consultants for application-specific cutting data and tooling recommendations.

SPMW09T308T-A27 WPP35G indexable milling insert by Walter Tools — Tiger·tec Gold, for steel (ISO P), 11° clearance

The SPMW09T308T-A27 WPP35G is a square 90° indexable milling insert designed for efficient steel machining, combining a wear-resistant coated carbide grade with a secure chipformer for predictable results.

• Tiger·tec Gold coating for long tool life
• Optimised for steel machining (ISO group P)
• Square 90° form with 0.8 mm corner radius
• 11° clearance angle for secure chip control

High process reliability for steel applications

The insert uses the WPP35G carbide grade within the Tiger·tec Gold series to deliver consistent wear resistance and stable cutting-edge performance when machining steels (ISO group P). The coating strategy reduces flank wear and improves flank stability under typical steel cutting temperatures, which results in longer tool life and fewer insert changes. The combination of a robust substrate and advanced coating enables predictable cycle times and supports steady production quality in series manufacturing.

Secure geometry that improves surface finish and stability

A square 90° form with a 0.8 mm corner radius and an 11° clearance angle provides a rigid cutting edge and good load distribution at the insert corner. This geometry supports both moderate shoulder milling and face operations where edge strength and process stability matter. The A27 chipbreaker is designed to control chip shape and evacuation when cutting steel, reducing the risk of built-up edge and contributing to a cleaner surface finish and reduced machine downtime.

Practical benefits for workshop and production workflows

Due to its compact dimensions (size 09, thickness T3), the insert offers a balance of rigidity and accessibility for common indexable milling toolholders. The tolerance class M and execution W ensure interchangeability and consistent seating in toolblocks, simplifying inventory management and insert replacement. For production environments seeking reduced setup time and reproducible results, the coated carbide solution provides a cost-effective route to higher uptime and predictable consumable consumption.

Application guidance and material suitability

This grade is optimised for a broad range of steels and is configured to handle the typical heat generation and chip behaviour encountered in steel machining. The cutting data should be matched to workpiece hardness and operation type; for roughing, increase feed per tooth and use coolant as required, while for finishing reduce depth of cut to exploit the insert’s edge quality. The insert is not specified for stainless or high-alloy materials in the provided data; selection should follow the ISO material groups and the tooling strategy appropriate for the workpiece.

For tailored cutting parameters and procurement of Walter Tools Tiger·tec Gold inserts, contact Metav Werkzeuge for application advice and order support via info@metav-werkzeuge.com or by telephone on +49 2822 7131930

Technical data

• SKU: SPMW09T308T-A27-WPP35G-WALTER
• Product name: SPMW09T308T-A27 WPP35G
• Product type: Indexable milling insert (square 90°)
• Manufacturer: Walter Tools

Facts

• Clearance angle: 11°
• Corner radius: 0.8 mm
• Insert size: 09
• Thickness: T3
• Tolerance class: M
• Execution: W

Material compatibility and features

• Coated carbide grade WPP35G (Tiger·tec Gold)
• Chipbreaker: A27
• Series: Tiger·tec Gold
• Primary application: Steel (ISO group P)
• Shape: Square 90°

FAQ

What materials is this insert intended for?
The SPMW09T308T-A27 WPP35G is specified for steel machining (ISO group P) and is formulated to handle the heat and chip formation typical for those materials.

How does the Tiger·tec Gold series improve performance?
Tiger·tec Gold coating on the WPP35G grade improves wear resistance and edge stability, enabling longer tool life and more consistent cutting behaviour when machining steels.

Which operations suit this square 90° insert best?
The square 90° geometry with a 0.8 mm corner radius is suitable for shoulder milling and general face milling where a robust corner and reliable chip control are required.

Is the chipbreaker suitable for small-depth cuts and finishing?
The A27 chipbreaker is optimised for controlled chip formation in steel; it performs well across a range of depths but cutting parameters should be adjusted for fine finishing to achieve the desired surface quality.

Can this insert be used in standard indexable milling holders?
Yes. The insert’s size (09), thickness (T3) and tolerance class M are compatible with common indexable milling toolholders designed for this geometry.

Manufacturer / Responsible: Walter Deutschland GmbH; Derendinger Straße 53; 72072 Tübingen; Germany

The Walter AG (brand appearance: Walter Tools) is one of the world’s leading manufacturers of precision tools for metalworking and is part of the Swedish Sandvik Group. Protected trademarks and trade names remain the property of their respective owners. Mark names and protected product designations are used here for explanation only and indicate no affiliation between Metav Werkzeuge and the respective trademark owners.